What supplements for patients with chronic obstructive pulmonary disease need to be decided according to the patient’s condition, not all patients are suitable for a certain kind of supplements. Plain can moderate high protein diet (eggs, milk, beef), obese patients can lose weight, thin patients should pay attention to nutrition. Chronic obstructive pulmonary disease (COPD) is a chronic lung disease characterized by airflow obstruction, which is diagnosed mainly on the basis of lung function results, when FEV1/FVC is less than 70%, it can be diagnosed. COPD is generally divided into acute exacerbation and stable phase. Acute exacerbation is mainly characterized by cough, sputum, wheezing, and can be treated with symptomatic therapy such as albuterol antispasmodic and asthma, and anti-infection. Stabilization period is mainly to chronic cough, it is recommended that the diet should be light, quit smoking, moderate exercise, help lung function recovery, avoid colds. So patients with chronic obstructive pulmonary disease should quit smoking, engaged in contact with occupational dust or air pollution should pay attention to the protection of the respiratory system, wear a mask; diet should be moderate consumption of high-protein diet, more fruits and vegetables, moderate exercise, to avoid colds and upper respiratory tract infections. If you feel unwell during the recovery process, go to the hospital for consultation and treatment.